3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alex Deucher <alexander.deuc...@amd.com>
commit 5b23c9045a8b61352986270b2d109edf5085e113 upstream.
Handle the 16 bank case.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
[bwh: Backported to 3.2: adjust context, indentation]
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
drivers/gpu/drm/radeon/ni.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -804,10 +804,18 @@ static void cayman_gpu_init(struct radeo
rdev->config.cayman.tile_config |= (3 << 0);
break;
}
- if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
- rdev->config.cayman.tile_config |= 1 << 4;
- else
+ switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
+ case 0: /* four banks */
rdev->config.cayman.tile_config |= 0 << 4;
+ break;
+ case 1: /* eight banks */
+ rdev->config.cayman.tile_config |= 1 << 4;
+ break;
+ case 2: /* sixteen banks */
+ default:
+ rdev->config.cayman.tile_config |= 2 << 4;
+ break;
+ }
rdev->config.cayman.tile_config |=
((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >>
PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
rdev->config.cayman.tile_config |=
--
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